TWI550598B - 使用聯合編碼殘餘信號之音訊編碼器、音訊解碼器、方法及電腦程式 - Google Patents
使用聯合編碼殘餘信號之音訊編碼器、音訊解碼器、方法及電腦程式 Download PDFInfo
- Publication number
- TWI550598B TWI550598B TW103124923A TW103124923A TWI550598B TW I550598 B TWI550598 B TW I550598B TW 103124923 A TW103124923 A TW 103124923A TW 103124923 A TW103124923 A TW 103124923A TW I550598 B TWI550598 B TW I550598B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- audio
- channel
- residual
- residual signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 78
- 238000004590 computer program Methods 0.000 title claims description 18
- 230000005236 sound signal Effects 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 38
- 230000005540 biological transmission Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 238000000926 separation method Methods 0.000 description 12
- 230000003595 spectral effect Effects 0.000 description 12
- 208000022018 mucopolysaccharidosis type 2 Diseases 0.000 description 11
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000009877 rendering Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 1
- 238000000136 cloud-point extraction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177376 | 2013-07-22 | ||
| EP13189305.9A EP2830051A3 (en) | 2013-07-22 | 2013-10-18 | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201514972A TW201514972A (zh) | 2015-04-16 |
| TWI550598B true TWI550598B (zh) | 2016-09-21 |
Family
ID=48874137
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103124925A TWI544479B (zh) | 2013-07-22 | 2014-07-21 | 音訊解碼器、音訊編碼器、用以基於已編碼表示型態提供至少四音訊聲道信號的方法、用以基於至少四音訊聲道信號提供已編碼表示型態的方法、及使用頻寬擴展的電腦程式 |
| TW103124923A TWI550598B (zh) | 2013-07-22 | 2014-07-21 | 使用聯合編碼殘餘信號之音訊編碼器、音訊解碼器、方法及電腦程式 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103124925A TWI544479B (zh) | 2013-07-22 | 2014-07-21 | 音訊解碼器、音訊編碼器、用以基於已編碼表示型態提供至少四音訊聲道信號的方法、用以基於至少四音訊聲道信號提供已編碼表示型態的方法、及使用頻寬擴展的電腦程式 |
Country Status (19)
| Country | Link |
|---|---|
| US (8) | US10147431B2 (es) |
| EP (4) | EP2830051A3 (es) |
| JP (2) | JP6346278B2 (es) |
| KR (2) | KR101823278B1 (es) |
| CN (5) | CN111128206B (es) |
| AR (2) | AR097011A1 (es) |
| AU (2) | AU2014295360B2 (es) |
| BR (2) | BR112016001141B1 (es) |
| CA (2) | CA2917770C (es) |
| ES (2) | ES2650544T3 (es) |
| MX (2) | MX357667B (es) |
| MY (1) | MY181944A (es) |
| PL (2) | PL3022735T3 (es) |
| PT (2) | PT3022735T (es) |
| RU (2) | RU2677580C2 (es) |
| SG (1) | SG11201600468SA (es) |
| TW (2) | TWI544479B (es) |
| WO (2) | WO2015010926A1 (es) |
| ZA (2) | ZA201601078B (es) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| JP6798999B2 (ja) | 2015-02-27 | 2020-12-09 | アウロ テクノロジーズ エンフェー． | デジタルデータセットの符号化及び復号 |
| EP3067887A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| CN107771346B (zh) * | 2015-06-17 | 2021-09-21 | 三星电子株式会社 | 实现低复杂度格式转换的内部声道处理方法和装置 |
| CN107731238B (zh) * | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
| US10431231B2 (en) * | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
| CA3078858A1 (en) * | 2017-10-12 | 2019-04-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Optimizing audio delivery for virtual reality applications |
| EP3740950B8 (en) | 2018-01-18 | 2022-05-18 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
| US11540079B2 (en) | 2018-04-11 | 2022-12-27 | Dolby International Ab | Methods, apparatus and systems for a pre-rendered signal for audio rendering |
| CN114708874A (zh) | 2018-05-31 | 2022-07-05 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
| CN110556116B (zh) * | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
| CN115132214A (zh) | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| CN113168838A (zh) | 2018-11-02 | 2021-07-23 | 杜比国际公司 | 音频编码器及音频解码器 |
| US10985951B2 (en) | 2019-03-15 | 2021-04-20 | The Research Foundation for the State University | Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers |
| EP3738080A1 (en) * | 2019-04-01 | 2020-11-18 | Google LLC | Learning compressible features |
| US20200402522A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
| CN110534120B (zh) * | 2019-08-31 | 2021-10-01 | 深圳市友恺通信技术有限公司 | 一种移动网络环境下的环绕声误码修复方法 |
| EP4210048A4 (en) * | 2020-09-03 | 2024-02-21 | Sony Group Corporation | SIGNAL PROCESSING APPARATUS AND METHOD, LEARNING APPARATUS AND METHOD AND PROGRAM |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200627380A (en) * | 2004-11-02 | 2006-08-01 | Coding Tech Ab | Methods for improved performance of prediction based multi-channel reconstruction |
| US20130138446A1 (en) * | 2007-10-17 | 2013-05-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor |
Family Cites Families (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3528260B2 (ja) * | 1993-10-26 | 2004-05-17 | ソニー株式会社 | 符号化装置及び方法、並びに復号化装置及び方法 |
| US5488665A (en) | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| US5970152A (en) | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
| SE522553C2 (sv) * | 2001-04-23 | 2004-02-17 | Ericsson Telefon Ab L M | Bandbreddsutsträckning av akustiska signaler |
| TWI315828B (en) | 2002-08-07 | 2009-10-11 | Dolby Lab Licensing Corp | Audio channel spatial translation |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| JP4966013B2 (ja) * | 2003-10-30 | 2012-07-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ信号のエンコードまたはデコード |
| US7394903B2 (en) | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| SE0400997D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Efficient coding of multi-channel audio |
| JP2008503786A (ja) * | 2004-06-22 | 2008-02-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ信号の符号化及び復号化 |
| WO2006022308A1 (ja) | 2004-08-26 | 2006-03-02 | Matsushita Electric Industrial Co., Ltd. | マルチチャネル信号符号化装置およびマルチチャネル信号復号装置 |
| EP1691348A1 (en) | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| US7573912B2 (en) | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| KR101346120B1 (ko) * | 2005-03-30 | 2014-01-02 | 코닌클리케 필립스 엔.브이. | 오디오 인코딩 및 디코딩 |
| KR100818268B1 (ko) * | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
| US7751572B2 (en) | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| DE602006014957D1 (de) * | 2005-04-28 | 2010-07-29 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
| BRPI0616057A2 (pt) * | 2005-09-14 | 2011-06-07 | Lg Electronics Inc | método e aparelho para decodificar um sinal de aúdio |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| KR20080086548A (ko) * | 2006-01-19 | 2008-09-25 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| JP2007207328A (ja) | 2006-01-31 | 2007-08-16 | Toshiba Corp | 情報記憶媒体、プログラム、情報再生方法、情報再生装置、データ転送方法、及びデータ処理方法 |
| JP4875142B2 (ja) * | 2006-03-28 | 2012-02-15 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | マルチチャネル・サラウンドサウンドのためのデコーダのための方法及び装置 |
| US20080004883A1 (en) * | 2006-06-30 | 2008-01-03 | Nokia Corporation | Scalable audio coding |
| DE102006047197B3 (de) | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
| CN101641970B (zh) * | 2006-10-13 | 2012-12-12 | 奥罗技术公司 | 用于组合和分离数字音频数据集的方法和设备 |
| KR101422745B1 (ko) * | 2007-03-30 | 2014-07-24 | 한국전자통신연구원 | 다채널로 구성된 다객체 오디오 신호의 인코딩 및 디코딩장치 및 방법 |
| CN101071570B (zh) * | 2007-06-21 | 2011-02-16 | 北京中星微电子有限公司 | 耦合声道的编、解码处理方法、音频编码装置及解码装置 |
| WO2009038512A1 (en) * | 2007-09-19 | 2009-03-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Joint enhancement of multi-channel audio |
| US20100228554A1 (en) * | 2007-10-22 | 2010-09-09 | Electronics And Telecommunications Research Institute | Multi-object audio encoding and decoding method and apparatus thereof |
| EP2210253A4 (en) * | 2007-11-21 | 2010-12-01 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING A SIGNAL |
| AU2008339211B2 (en) * | 2007-12-18 | 2011-06-23 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| US20090164223A1 (en) | 2007-12-19 | 2009-06-25 | Dts, Inc. | Lossless multi-channel audio codec |
| KR20100095586A (ko) | 2008-01-01 | 2010-08-31 | 엘지전자 주식회사 | 신호 처리 방법 및 장치 |
| KR20100134623A (ko) * | 2008-03-04 | 2010-12-23 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| BR122020009727B1 (pt) | 2008-05-23 | 2021-04-06 | Koninklijke Philips N.V. | Método |
| EP2144229A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| ES2528006T3 (es) | 2008-07-31 | 2015-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Generación de señales para señales binaurales |
| CN102177542B (zh) * | 2008-10-10 | 2013-01-09 | 艾利森电话股份有限公司 | 能量保留多通道音频编码 |
| WO2010064877A2 (en) * | 2008-12-05 | 2010-06-10 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| US8332229B2 (en) * | 2008-12-30 | 2012-12-11 | Stmicroelectronics Asia Pacific Pte. Ltd. | Low complexity MPEG encoding for surround sound recordings |
| EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| EP2214161A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| CN102388417B (zh) * | 2009-03-17 | 2015-10-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
| ES2511390T3 (es) | 2009-04-08 | 2014-10-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y programa de computación para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavización de valor de fase |
| CN101582262B (zh) * | 2009-06-16 | 2011-12-28 | 武汉大学 | 一种空间音频参数帧间预测编解码方法 |
| CN102460573B (zh) | 2009-06-24 | 2014-08-20 | 弗兰霍菲尔运输应用研究公司 | 音频信号译码器、对音频信号译码的方法 |
| CN101989425B (zh) | 2009-07-30 | 2012-05-23 | 华为终端有限公司 | 多描述音频编解码的方法、装置及*** |
| KR101569702B1 (ko) * | 2009-08-17 | 2015-11-17 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| JP2011066868A (ja) * | 2009-08-18 | 2011-03-31 | Victor Co Of Japan Ltd | オーディオ信号符号化方法、符号化装置、復号化方法及び復号化装置 |
| KR101613975B1 (ko) * | 2009-08-18 | 2016-05-02 | 삼성전자주식회사 | 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
| PL2483887T3 (pl) | 2009-09-29 | 2018-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder sygnału audio MPEG-SAOC, sposób dostarczania reprezentacji sygnału upmixu z wykorzystaniem dekodowania MPEG-SAOC oraz program komputerowy wykorzystujący wspólną wartość parametru korelacji międzyobiektowej uzależnioną od czasu/częstotliwości |
| CN101695150B (zh) * | 2009-10-12 | 2011-11-30 | 清华大学 | 多声道音频编码方法、编码器、解码方法和解码器 |
| KR101710113B1 (ko) | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법 |
| CN103854651B (zh) * | 2009-12-16 | 2017-04-12 | 杜比国际公司 | Sbr比特流参数缩混 |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| JP5814340B2 (ja) * | 2010-04-09 | 2015-11-17 | ドルビー・インターナショナル・アーベー | Ｍｄｃｔベース複素予測ステレオ符号化 |
| JP5820464B2 (ja) | 2010-04-13 | 2015-11-24 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | オーディオまたはビデオエンコーダ、オーディオまたはビデオデコーダ、及び予測方向可変の予測を使用したマルチチャンネルオーディオまたはビデオ信号処理方法 |
| CN103180898B (zh) | 2010-08-25 | 2015-04-08 | 弗兰霍菲尔运输应用研究公司 | 用于利用合成单元和混频器解码包括瞬时的信号的设备 |
| KR101697550B1 (ko) | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
| GB2485979A (en) * | 2010-11-26 | 2012-06-06 | Univ Surrey | Spatial audio coding |
| KR101619578B1 (ko) | 2010-12-03 | 2016-05-18 | 프라운호퍼-게젤샤프트 츄어 푀르더룽 데어 안게반텐 포르슝에.파우. | 기하학 기반의 공간 오디오 코딩을 위한 장치 및 방법 |
| EP2477188A1 (en) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
| CN102610231B (zh) * | 2011-01-24 | 2013-10-09 | 华为技术有限公司 | 一种带宽扩展方法及装置 |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| AR085895A1 (es) | 2011-02-14 | 2013-11-06 | Fraunhofer Ges Forschung | Generacion de ruido en codecs de audio |
| EP2710588B1 (en) * | 2011-05-19 | 2015-09-09 | Dolby Laboratories Licensing Corporation | Forensic detection of parametric audio coding schemes |
| US9070361B2 (en) * | 2011-06-10 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component |
| MX351193B (es) | 2012-08-10 | 2017-10-04 | Fraunhofer Ges Forschung | Codificador, decodificador, sistema y metodo que emplean un concepto residual para codificar objetos de audio parametricos. |
| AU2014211583B2 (en) | 2013-01-29 | 2017-01-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
| WO2014168439A1 (ko) * | 2013-04-10 | 2014-10-16 | 한국전자통신연구원 | 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법 |
| US9679571B2 (en) | 2013-04-10 | 2017-06-13 | Electronics And Telecommunications Research Institute | Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal |
| EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
| EP2830061A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
| EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
| EP2838086A1 (en) | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
| EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830051A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP2830332A3 (en) | 2013-07-22 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| EP2928216A1 (en) | 2014-03-26 | 2015-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for screen related audio object remapping |
-
2013
- 2013-10-18 EP EP13189305.9A patent/EP2830051A3/en not_active Withdrawn
- 2013-10-18 EP EP13189306.7A patent/EP2830052A1/en not_active Withdrawn
-
2014
- 2014-07-11 CN CN201911231963.1A patent/CN111128206B/zh active Active
- 2014-07-11 MX MX2016000939A patent/MX357667B/es active IP Right Grant
- 2014-07-11 KR KR1020167004625A patent/KR101823278B1/ko active IP Right Grant
- 2014-07-11 ES ES14739141.1T patent/ES2650544T3/es active Active
- 2014-07-11 SG SG11201600468SA patent/SG11201600468SA/en unknown
- 2014-07-11 EP EP14739141.1A patent/EP3022735B1/en active Active
- 2014-07-11 PL PL14739141T patent/PL3022735T3/pl unknown
- 2014-07-11 AU AU2014295360A patent/AU2014295360B2/en active Active
- 2014-07-11 RU RU2016105702A patent/RU2677580C2/ru active
- 2014-07-11 CN CN201911231996.6A patent/CN111105805A/zh active Pending
- 2014-07-11 CN CN201480041694.1A patent/CN105593931B/zh active Active
- 2014-07-11 CA CA2917770A patent/CA2917770C/en active Active
- 2014-07-11 BR BR112016001141-4A patent/BR112016001141B1/pt active IP Right Grant
- 2014-07-11 PT PT147391411T patent/PT3022735T/pt unknown
- 2014-07-11 JP JP2016528404A patent/JP6346278B2/ja active Active
- 2014-07-11 WO PCT/EP2014/064915 patent/WO2015010926A1/en active Application Filing
- 2014-07-14 MY MYPI2016000096A patent/MY181944A/en unknown
- 2014-07-14 WO PCT/EP2014/065021 patent/WO2015010934A1/en active Application Filing
- 2014-07-14 PT PT147385355T patent/PT3022734T/pt unknown
- 2014-07-14 BR BR112016001137-6A patent/BR112016001137B1/pt active IP Right Grant
- 2014-07-14 MX MX2016000858A patent/MX357826B/es active IP Right Grant
- 2014-07-14 KR KR1020167004626A patent/KR101823279B1/ko active IP Right Grant
- 2014-07-14 AU AU2014295282A patent/AU2014295282B2/en active Active
- 2014-07-14 JP JP2016528408A patent/JP6117997B2/ja active Active
- 2014-07-14 CN CN201480041693.7A patent/CN105580073B/zh active Active
- 2014-07-14 CA CA2918237A patent/CA2918237C/en active Active
- 2014-07-14 CN CN201911131913.6A patent/CN111128205A/zh active Pending
- 2014-07-14 PL PL14738535T patent/PL3022734T3/pl unknown
- 2014-07-14 RU RU2016105703A patent/RU2666230C2/ru active
- 2014-07-14 ES ES14738535.5T patent/ES2649194T3/es active Active
- 2014-07-14 EP EP14738535.5A patent/EP3022734B1/en active Active
- 2014-07-21 TW TW103124925A patent/TWI544479B/zh active
- 2014-07-21 TW TW103124923A patent/TWI550598B/zh active
- 2014-07-22 AR ARP140102715A patent/AR097011A1/es active IP Right Grant
- 2014-07-22 AR ARP140102716A patent/AR097012A1/es active IP Right Grant
-
2016
- 2016-01-22 US US15/004,617 patent/US10147431B2/en active Active
- 2016-01-22 US US15/004,661 patent/US9953656B2/en active Active
- 2016-02-17 ZA ZA2016/01078A patent/ZA201601078B/en unknown
- 2016-02-17 ZA ZA2016/01080A patent/ZA201601080B/en unknown
- 2016-05-27 US US15/167,072 patent/US9940938B2/en active Active
-
2018
- 2018-04-09 US US15/948,342 patent/US10741188B2/en active Active
- 2018-12-04 US US16/209,008 patent/US10770080B2/en active Active
-
2020
- 2020-08-11 US US16/990,566 patent/US11657826B2/en active Active
- 2020-09-03 US US17/011,584 patent/US11488610B2/en active Active
-
2023
- 2023-05-22 US US18/200,190 patent/US20240029744A1/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200627380A (en) * | 2004-11-02 | 2006-08-01 | Coding Tech Ab | Methods for improved performance of prediction based multi-channel reconstruction |
| US20130138446A1 (en) * | 2007-10-17 | 2013-05-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor |
Non-Patent Citations (1)
| Title |
|---|
| Tzagkarakis C., Mouchtaris A., and Tsakalides P., "A Multichannel Sinusoidal Model Applied to Spot Microphone Signals for Immersive Audio", IEEE Transactions on Audio, Speech, and Language Processing, vol. 17, no. 8, November 2009 * |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI550598B (zh) | 使用聯合編碼殘餘信號之音訊編碼器、音訊解碼器、方法及電腦程式 |